Joe and Derek, who has moved on to water, are watching Cristina do shots with the bachelors when Derek suggests that Joe could fire her for drinking on the job, but it turns out Joe did that hours earlier. He thinks Derek should just take her home but Derek is still holding firm that everyone else has been telling Cristina what to do, so he won't do that -- he won't take her home until she wants to go. I think this is where Derek's method of treatment goes a bit off the rails. I get not pushing her into surgery but taking a drunk married friend away from a group of drunk horny bachelors just seems like something that one does for a friend, whether they are having a life crisis or not. But Derek is just going to stay and make sure she doesn't leave with anyone, saying as long as she's acting like a stripper, he'll act like a bouncer. Joe is incredibly skeptical about Derek's non-plan, and they both just watch the former surgeon while she cavorts with the drunks. Here's my question, though. Couldn't Joe solve all of this super easily by just closing for the night? Bars in Seattle close at 2 AM, and Owen called time of death on that kid at 1:40. He's since been in surgery picking bits of turn signal out of the kid's brother, the Chief has showed up, Meredith has gotten her CT, and the other attendings have all made it home or to the hospital. I know that didn't all happen in just 20 minutes. So why is Joe just watching all of this happen rather than kicking everyone out as is customary once it's closing time? Then again, this is a show that took three seasons to chronicle one calendar year, so I guess I shouldn't question timelines too much in this universe.